Subsidiaries
Satellite CD Radio, Inc.
Sirius Asset Management Company LLC
Sirius Entertainment Promotions LLC
Spend LLC
Earth Station Ecuador Cia. Ltda.
XM Satellite Radio Holdings Inc.
XM Satellite Radio Inc.
XM Equipment Leasing LLC
XM EMall Inc.
XM Radio Inc.
XM Innovations Inc.
XM Capital Resources Inc.
XM 1500 Eckington LLC
XM Investment LLC
Effanel Music, Inc.
Interoperable Technologies LLC
Satellite Public Radio Inc.